On Fri, Jan 21, 2022 at 02:57:50PM +0100, Michael Prokop wrote: > * Marc Haber [Fri Jan 21, 2022 at 02:41:03PM +0100]: > > On Fri, Jan 21, 2022 at 02:33:44PM +0100, Michael Prokop wrote: > > > * Marc Haber [Fri Jan 21, 2022 at 01:03:13PM +0100]: > > > > > I tried dd'ing the memtest86+.iso to two differen USB sticks. Both don't > > > > boot on two different older ThinkPad Notebooks (one T520 and one X121e) > > > > - the systems just fall back to the Boot Menu. The Free-as-in-Beer > > > > memtest.iso from memtest86.com works fine on both boxes. > > > > I suppose your system runs with EFI, while memtest86+ needs 16-bit > > > boot and doesn't work with EFI systems, AFAIK. > > > memtest86+.elf on the same system runs fine if booted from an USB stick > > with grub-pc (not grub-efi). Is that a possible indication that the > > system doesn't run with EFI? I'd like to keep it running until tomorrow. > > If you have /sys/firmware/efi on your running Debian system (with > either efivars or efivarfs kernel module loaded), then you're > running in EFI mode. > > grub-pc doesn't do EFI boot, so I'd assume your system was booted in > legacy/compatibility mode then?
I can confirm that the X121e has its boot mode set to "Legacy only". The T520 will be running the test until tomorrow morning. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402 Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421